Index: uml-utilities-20040406/uml_net/tuntap.c
===================================================================
--- uml-utilities-20040406.orig/uml_net/tuntap.c
+++ uml-utilities-20040406/uml_net/tuntap.c
@@ -44,7 +44,7 @@
     return(-1);
   }
   memset(ifr, 0, sizeof(*ifr));
-  ifr->ifr_flags = IFF_TAP | IFF_NO_PI;
+  ifr->ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE;
   ifr->ifr_name[0] = '\0';
   if(ioctl(tap_fd, TUNSETIFF, (void *) ifr) < 0){
     output_errno(output, "TUNSETIFF : ");
Index: uml-utilities-20040406/tunctl/tunctl.c
===================================================================
--- uml-utilities-20040406.orig/tunctl/tunctl.c
+++ uml-utilities-20040406/tunctl/tunctl.c
@@ -81,7 +81,7 @@
 
   memset(&ifr, 0, sizeof(ifr));
 
-  ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+  ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE;
   strncpy(ifr.ifr_name, tun, sizeof(ifr.ifr_name) - 1);
   if(ioctl(tap_fd, TUNSETIFF, (void *) &ifr) < 0){
     perror("TUNSETIFF");
Index: uml-utilities-20040406/uml_router/tuntap.c
===================================================================
--- uml-utilities-20040406.orig/uml_router/tuntap.c
+++ uml-utilities-20040406/uml_router/tuntap.c
@@ -28,7 +28,7 @@
     return(-1);
   }
   memset(&ifr, 0, sizeof(ifr));
-  ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
+  ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE;
   strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name) - 1);
   if(ioctl(fd, TUNSETIFF, (void *) &ifr) < 0){
     perror("TUNSETIFF failed");